CF8M ASTM A743&A743M
EN numeric designation：1.4408
Grade（UNS）：J92900）
Type：19 Chromium, 10 Nickel,with Molybdenum
Chemical Requirements:
C(max):0.08
Men(max)：1.5
Si(max)：2.00
P(max):0.04
S(max):0.04
Cr:18.0~21.0
Ni:9.0~12.0
Mo:2.0~3.0
Heat Treatment Requirements:
Heat to 1900°F [1040°C] minimum, hold for sufficient time to heat casting to temperature, quench in water or rapid cool by other means
Metallographic structure： metallographic structure
Tensile Requirements:
Tensile Strength, min
Tensile, ksi: 70
Tensile, MPa:485
Yield Strength, min
Yield, ksi:30
Yield, MPa:205
Elongation in 2 in. [50 mm] min, %A: 30
Keywords: corrosion resistant; iron-chromium; iron-chromium nickel; steel castings